geoll



No MQQQL} 4 shank-sheet 1.

I C. GROLL FEEDING: SMOKE GQNSUMING FURNACE- 146 I Patented Mar'w/m'ssss.

I 4 Shets-Sheet G0 GROLL.

(No Model.)

SELF FEEDING No. 578,146.

SMOKE GONSUMING FURNACE.

Patented Mar @1897.-

000 0 0 000 00. 000000000 0000 0000 00000 00 0 0 0 0 0 0 0 0 0 O O. O

mmgs'sgs.

(No Model.) 4 Sheets-Shee t 4 0. GROLL. SELF FBEDING SMOKE GONSUMINGFURNACE.

Patented Main. 2, 1897.

- WITNESSES.

come into contact with coal w and moreincandescent, all m \vardly fromone half of the g at vvill'the lower diameter of the arranged in thecombustion-011a or ceiling forming a passage 1 111g connected to thechinniey at hand, the fresh air coming from sumption oftlie smoke,because they are more, and more compl same direction.

My invention of a rotative gra matic coal-feeder is applicable tnsual'.constructions of, generatil I r'eserve to myself the right cwardl'y from one half of the g vault forming a passage leading the otherhalf of the grate, and channel connecting the rear po passages, theforwardly-leading substantially as described.

2,. A furnace, provided with 2 arranged in the combustion-elm or ceilingforming a passage 1 vault forming a passage leadiin thefother halt ofthe grate, a vt the rear ends of said vault, and channel eon neetin gsaid passage vertical wall, the forwardly-lea being connected to thechi'mne end, substantially as described 3. In a smoke-consuming futmounted to turn, a coalfeed grate, a radial chamber, plac coal-feederand connected, at the grate, with the standard are said grate revolves,in order th the said chamber may become 11 ing toward the centralstandard then be driven out by the help to supply the grate, and, on ththat the air-jets issuing from or

